Recycled Hot Air Balloon Dome for Event Projection
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Solution Overview
Problem
Current ephemeral architecture devices for events are costly, complex to assemble, and lack the ability to be made from recycled materials, making them unsuitable for low-budget cultural events that require durable, transportable, and easily assembled structures with high user capacity and projection capabilities.
Innovation Solution
A transportable container dome made from recycled aeronautical equipment, specifically the envelope of a hot air balloon, using high-strength synthetic fabric with alternating colors, inflatable design, and counterweights for stability, allowing for easy assembly and disassembly without entry/exit points, and serving as a projection screen.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional tents or pressostatic structures are used, then user capacity and protection function are improved, but device complexity and cost increase significantly
Solution Approach 1:
The dome is divided into multiple fabric panels that are independently connected through stitching patterns. These panels can be separately manufactured, transported, and assembled, reducing the complexity of handling a single large structure while maintaining the overall integrity and user capacity of the dome.
Solution Approach 2:
The invention uses a single-layer flexible fabric dome instead of rigid frames or complex pressostatic structures. The fabric material provides both structural integrity and protection functions while being lightweight, easy to transport, and simple to assemble, directly reducing device complexity and cost.
2Strength
If inflatable structures are used, then durability and protection are improved, but assembly complexity and cost increase
Solution Approach 1:
The dome incorporates an inflatable base perimeter that provides structural support and stability. This pneumatic element is simple in design, requiring only air inflation to achieve the desired structural effect, avoiding complex mechanical assembly while maintaining durability and protection.
Solution Approach 2:
The invention uses a flexible fabric structure that derives its strength from the inflatable base and the tension created by the dome shape, rather than requiring rigid frames or complex pressostatic chambers. This approach maintains durability while significantly reducing assembly complexity and cost.
3Strength
If conventional materials are used, then structural integrity is maintained, but environmental impact and cost increase
Solution Approach 1:
The invention prioritizes the use of recycled materials, specifically recycled nylon, in the construction of the fabric panels and structural elements. This recovery and reuse of materials maintains structural integrity while reducing environmental impact and material costs.
Solution Approach 2:
The dome utilizes composite material construction, combining recycled nylon fabric with inflatable structural elements. This composite approach creates a structurally integrity structure while maximizing the use of recycled materials, thereby reducing environmental impact and overall cost.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides a cost-effective, easily deployable, and aesthetically appealing structure that can accommodate large gatherings safely and economically, with minimal environmental impact, while offering a unique and immersive experience with projections visible from both inside and outside.
Implementation Method 1
The air blown by the fan builds up inside the dome and raises it to the desired setting within minutes
Implementation Method 2
the counterweights impede its rise
Implementation Method 3
the air flow provided by the fans must be available in order to compensate for the dynamic pressure loss that this entails
Data Source
AI summary
Ephemeral architecture device constituted by a dome-shaped receptacle (1) of high strength fabric and a single layer consisting of a multitude of fabric panels (2) artistically sewn together in alternating colors, which in turn comprises sections of independent segments (4) also integrated through sewing. The dome in turn includes: one or more air inflation ports (8) located at the ground level, in which there is coupled in each case one air blowing device such as a fan (9); and a perimeter skirt (6) located along its lower edge and bent inwardly, positioned parallel to the ground on which it is installed, over which a multitude of counterweights (7) are strategically placed along the perimeter.


